What landmark case determined supervisors' responsibility in training supervisees regarding confidentiality?

The landmark case that determined supervisors' responsibility in training supervisees regarding confidentiality is actually Tarasoff vs. Regents of the University of California. This case established the duty of mental health professionals to protect individuals who may be threatened by their patients. In this context, the responsibility of supervisors extends to ensuring that their supervisees are adequately trained in ethical practices concerning confidentiality and disclosure.

In this case, the court emphasized that mental health professionals have an obligation to warn individuals if they foresee a risk to their safety. As a consequence, it underscattered the importance of supervisor oversight in preparing clinicians to navigate complex situations involving confidentiality and client safety. This highlights the significant role supervisors play in training their supervisees to understand and implement confidentiality policies appropriately, ensuring that the ethical standards of the profession are upheld.

The other cases mentioned do not specifically address the supervisor's role in training on confidentiality as clearly as Tarasoff does. Hence, Tarasoff is the key reference point in the context of supervisor responsibility regarding confidentiality training.